Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4932386 | Fuel-vapor purge and air-fuel ratio control for automotive engine | Shinichi Kitajima | 1990-06-12 |
| 4730592 | Outer vent control device for a carburetor | Hitoshi Yamabe, Sachito Fujimoto, Hideo Kobayashi | 1988-03-15 |
| 4308842 | Evaporative emission control system for an internal combustion engine | Masao Watanabe, Osamu Goto | 1982-01-05 |